Education path

[Guest]

I'm a senior high school student from Serbia and I'm really interested in nanoscience. Unfortunately, I live in a country which can't provide me with any resources to do something about it, so the only way is to finish undergrad studies here and then to go abroad for postgrad studies.
There are two ways to go about it - I can either study Physics or Electronics (there's a department there called Nano and Optoelectronics, which has a total of 2 courses related to nano, electronics and some physics, while the faculty of physics has none, but the main criterion for admission to master studies everywhere is generally a bachelor's in physics, as I've seen). Which is better, what do I do? Thanks.